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The gold standard study by Harvard and Columbia University scholars found that even in high-poverty schools, teachers consistently had a huge positive or negative impact.
出自-2016年6月阅读原文
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In a study of older people with sisters and brothers, psychologist Debra Gold of the Duke Center for the study of aging and human development found that about 20% said they were hostile or indifferent to ward their sisters and brothers.
出自-2014年6月听力原文
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A man who had recently reconciled with his brother told Gold there's something that lets older people to put aside bad deeds of the past and focus a little on what we need now, especially when it's sisters and brothers
出自-2014年6月听力原文
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What does the study by Debra Gold find about older people?
出自-2014年6月听力原文
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What did the man who had recently reconciled with his brother tell Debra Gold about older people
出自-2014年6月听力原文
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Gold found that as people age, they often become more involved with and interested in their sisters and brothers.
出自-2014年6月听力原文
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And Burke says that actually does seem to help, based on randomized studies—the researchers' gold standard.
2016年6月六级真题(第二套)听力 Section C
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Clothes and other items that need to be tried on such as diamond rings and gold necklaces are generally not suited to virtual retailing, and, of course, items with a low value- to-weight ratio.
2015年12月六级真题(第一套)听力 Section C
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The materials from e-waste include iron, copper gold, silver, and aluminum—materials that could be reused, resold, salvaged, or recycled.
2019年6月六级真题(第二套)阅读 Section B
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The next year, he won three gold medals in the winter Olympics, a record in ski racing that has never been topped.
2019年6月六级真题(第一套)听力 Section B